name='Kenior'
age=19
greeting=f"Hello,{name}.You are {age} years old."
print(greeting)
print('-'*40)
first_name='ada'
last_name='lovelace'
full_name=f"{first_name} {last_name}"
#print(f"Hello,{full_name.title()}!")
message=f"Hello,{full_name.title()}!"#先用f字符串来创建消息，再把整条消息赋给变量
print(message)#在用print（）调用时会简单一点

